<template>
    <div>
        <!--:roles 等价 v-model:roles-->
        <el-form :rules="rules" ref="loginForm" :model="loginForm" class="loginContainer">
            <h3 class="loginTitle">系统登录</h3>
            <el-form-item label="用户名" prop="username">
                <el-input type="text" v-model="loginForm.username" auto-complete="off"
                          aria-placeholder="请输入用户名"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input type="password" v-model="loginForm.password" auto-complete="off"
                          aria-placeholder="请输入密码" @keydown.enter.native="submitLogin"></el-input>
            </el-form-item>

            <el-checkbox class="loginRemember" v-model="checked"></el-checkbox>

            <el-button type="primary" style="width:100%" @click="submitLogin">登录</el-button>
        </el-form>
    </div>
</template>

<script>

export default {
    name: "Login",
    data() {
        return {
            loginForm: {
                username: 'admin',
                password: '123'
            },
            checked: true,
            rules: {
                username: [{required: true, message: '请输入用户名', trigger: 'blur'}],
                password: [{required: true, message: '请输入密码', trigger: 'blur'}]
            }
        }
    },
    methods: {
        submitLogin() {
            this.$refs.loginForm.validate((valid) => {
                if (valid) {
                    //alert('submit!');
                    this.postKeyValueRequest('/doLogin', this.loginForm).then(resp => {
                        //此处的resp是在 api.js 处理返回的success.data
                        if (resp) { //请求成功
                            //如果请求失败，已经在 api.js处理过
                            //sessionStorge关闭页面就没有了
                            window.sessionStorage.setItem("user", JSON.stringify(resp.obj))
                            let path = this.$route.query.redirect;
                            this.$router.replace((path === '/' || path === undefined) ? '/home' : path);
                        }
                    })
                } else {
                    this.$message.error('请 输入所有字段');
                    return false;
                }
            });
        }
    }
}
</script>

<style>
.loginContainer {
    border-radius: 15px;
    background-clip: padding-box;
    margin: 180px auto;
    width: 350px;
    padding: 35px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    box-shadow: 0 0 25px #cac6c6;
}

.loginTitle {
    margin: 15px auto 20px auto;
    text-align: center;
    color: cornflowerblue;
}

.loginRemember {
    text-align: left;
    margin: 0px 0px 15px 0px;
}
</style>